Home / 3,308.80-4,563.12-2,645.68

Finding the Fourth Proportional to 3,308.80, 4,563.12 and 2,645.68

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Solution

The fourth proportional to 3,308.80, 4,563.12 and 2,645.68 is: 3,648.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.80 : 4,563.12 = 2,645.68 : x
  2. Step 2: Convert to fraction form
    3,308.80/4,563.12 = 2,645.68/x
  3. Step 3: Cross multiply
    3,308.80x = 4,563.12 × 2,645.68
  4. Step 4: Simplify right side
    3,308.80x = 12,072,555.32
  5. Step 5: Solve for x
    x = 12,072,555.32/3,308.80
  6. Step 6: Final answer
    x = 3,648.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.